Shag Calculator

index.slim

div.container-fluid
  div.row
    div.col-md-12
      h2 shag calculator
      div.form-horizontal
        div.form-group
          label.col-sm-6[for="b"] average penis length sexual partner (inches)
          div.col-sm-6.input-group
            span.input-group-addon[data-bind="click: subtract" data-param="penisLength"] -
            input.form-control[id="b" data-bind="textInput: penisLength"]
            span.input-group-addon[data-bind="click: add" data-param="penisLength"] +
        div.form-group
          label.col-sm-6[for="d"] thrusts per minute
          div.col-sm-6.input-group
           span.input-group-addon[data-bind="click: subtract" data-param="thrustsPerMinute"] -
           input.form-control[id="d" data-bind="textInput: thrustsPerMinute"]
           span.input-group-addon[data-bind="click: add" data-param="thrustsPerMinute"] +
        div.form-group
          label.col-sm-6[for="e"] intercourse duration (minutes)
          div.col-sm-6.input-group
            span.input-group-addon[data-bind="click: subtract" data-param="intercourseDuration"] -
            input.form-control[id="e" data-bind="textInput: intercourseDuration"]
            span.input-group-addon[data-bind="click: add" data-param="intercourseDuration"] +
        div.form-group
          label.col-sm-6[for="f"] distance per intercourse (inches)
          div.col-sm-6.output[id="f" data-bind="text: distancePerIntercourse"]
        div.form-group
          label.col-sm-6[for="f"] distance per intercourse (feet)
          div.col-sm-6.output[id="f" data-bind="text: distancePerIntercourseFeet"]

        div.form-group
          label.col-sm-6[for="f"] intercourse per year (yearly average)
          div.col-sm-6.input-group
            span.input-group-addon[data-bind="click: subtract" data-param="intercoursePerYear"] -
            input.form-control[id="f" data-bind="textInput: intercoursePerYear"]
            span.input-group-addon[data-bind="click: add" data-param="intercoursePerYear"] +
        div.form-group
          label.col-sm-6[for="g"] years sexually active
          div.col-sm-6.input-group
            span.input-group-addon[data-bind="click: subtract" data-param="yearsSexuallyActive"] -
            input.form-control[id="g" data-bind="textInput: yearsSexuallyActive"]
            span.input-group-addon[data-bind="click: add" data-param="yearsSexuallyActive"] +
        div.form-group
          label.col-sm-6[for="h"] intercourse count (lifetime)
          div.col-sm-6.output[id="h" data-bind="text: intercourseCountLifetime"]
        div.form-group
          label.col-sm-6[for="i"] distance (lifetime / inches)
          div.output.col-sm-6[id="i" data-bind="text: intercourseDistance"]
        div.form-group
          label.col-sm-6[for="j"] distance (lifetime / feet)
          div.output.col-sm-6[id="j" data-bind="text: intercourseDistanceFeet"]
        div.form-group
          label.col-sm-6[for="k"] distance (lifetime / miles)
          div.output.col-sm-6.output-final[id="k" data-bind="text: intercourseDistanceMiles"]
        div.form-group
          label.col-sm-6[for="k"] distance (lifetime / km)
          div.output.col-sm-6.output-final[id="k" data-bind="text: intercourseDistanceKm"]
        div.form-group
          label.col-sm-6[for="m"] zip code
          div.col-sm-2
            input.form-control[id="m" data-bind="textInput: location"]
          div.col-sm-2
            input.form-control[data-bind="value: lat" disabled]
          div.col-sm-2
            input.form-control[data-bind="value: lng" disabled]
        div.form-group
          label.col-sm-6[for="x"] new lat lng
          div.col-sm-3
              p[data-bind="text: lat2"]
          div.col-sm-3
              p[data-bind="text: lng2"]

  <!-- google maps javascript -->
  <script src="//maps.googleapis.com/maps/api/js?key=AIzaSyB16sGmIekuGIvYOfNoW9T44377IU2d2Es"></script>

script.js

var geocoder = new google.maps.Geocoder(); 
var APP = {};
APP.location = ko.observable("92108");
APP.savedResults = {};
APP.lat = ko.observable();
APP.lng = ko.observable();
APP.increment = function(obj, evt, operation) {
  var param = evt.currentTarget.getAttribute('data-param');
  if (APP[param]) {
    var value = APP[param]();
    var increment = 1;
    switch (param) {
      case "thrustsPerMinute":
        increment = 10;
        break;
      case "penisLength":
        increment = 0.25;
        break;
      case "intercourseDuration":
        increment = 0.5;
        break;
      default:
    }
    if (operation && operation === "subtract") {
      APP[param](value - increment);
    } else {
      APP[param](value + increment);
    }
  }
  
}
APP.add = function(obj, evt) {
  APP.increment(obj, evt, "add");
};
APP.subtract = function(obj, evt) {
  APP.increment(obj, evt, "subtract");
};
// http://stackoverflow.com/questions/5585957/get-latlng-from-zip-code-google-maps-api
function getGeocode(zipCode) {
  geocoder.geocode(
      { address : zipCode, 
        region: 'no' 
      }, function(results, status){
        APP.savedResults[APP.location()] = results;
        if (APP.savedResults[APP.location()][0].geometry.location.lat()) {
          
          APP.lat(APP.savedResults[APP.location()][0].geometry.location.lat())
          APP.lng(APP.savedResults[APP.location()][0].geometry.location.lng())

        }
      });
}


APP._stashLocation = ko.computed(function() {
  if (!APP.savedResults.hasOwnProperty(APP.location()) && APP.location().length === 5) {
    getGeocode(APP.location() + " USA");
  }
})
APP.penisLength = ko.observable(5.25);
APP.max = function (name, value) {
  if (APP[name]() > value) {
    APP[name](value);
  }
};
APP.min = function (name, value) {
  if (APP[name]() < value) {
    APP[name](value);
  }
};
APP.intercourseCount = ko.observable(100);
APP.thrustsPerMinute = ko.observable(120);
APP.intercourseDuration = ko.observable(7.5);
APP.intercoursePerYear = ko.observable(100);
APP.yearsSexuallyActive = ko.observable(12);

APP._valuecheck = ko.computed(function () {
  APP.min("penisLength", 1.0);
  APP.max("penisLength", 14.0);
  APP.min("intercourseDuration", 0);
  APP.min("intercourseCount", 0);
  APP.min("thrustsPerMinute", 0);
  APP.min("intercourseDuration", 0);
  APP.min("intercoursePerYear", 0);
  APP.min("yearsSexuallyActive", 0);
  APP.max("yearsSexuallyActive", 100);
});


APP.intercourseCountLifetime = ko.computed(function () {
  return APP.intercoursePerYear() * APP.yearsSexuallyActive();
});

APP.distancePerIntercourse = ko.computed(function () {
  return APP.penisLength() * APP.thrustsPerMinute() *
    APP.intercourseDuration();
});
APP.distancePerIntercourseFeet = ko.computed(function () {
  return APP.distancePerIntercourse() / 12; });

APP.intercourseDistance = ko.computed(function () {
   return APP.distancePerIntercourse() * APP.intercourseCountLifetime();
});

APP.intercourseDistanceFeet = ko.computed(function () {
  return APP.intercourseDistance() / 12; 
});

APP.intercourseDistanceMiles = ko.computed(function () {
  return Math.round(APP.intercourseDistance() / 5280); 
});
APP.R = ko.observable(6378.1);
//http://stackoverflow.com/questions/7222382/get-lat-long-given-current-point-distance-and-bearing
APP.intercourseDistanceKm = ko.computed(function () {
  return Math.round(APP.intercourseDistanceMiles() / 0.62137); 
});
APP.lat2 = ko.computed(function () {
   if (APP.lat()) {
     var lat1 = APP.lat() * Math.PI / 180;
     var d = APP.intercourseDistanceKm();
     var R = APP.R();
     var brng = 1.57; // Bearing is 90 degrees converted to radians.
     return (Math.asin(Math.sin(lat1) * Math.cos(d / R) + Math.cos(lat1) * Math.sin(d / R) * Math.cos(brng))) * 180 / Math.PI;
   }
});
APP.lng2 = ko.computed(function () {
   if (APP.lng() && APP.lat()) {
     var lng1 = APP.lng() * Math.PI / 180;
     var lat1 = APP.lat();
     var lat2 = APP.lat2();
     var d = APP.intercourseDistanceKm();
     var R = APP.R();
     var brng = 1.57; // Bearing is 90 degrees converted to radians.
     return (lng1 + Math.atan2(Math.sin(brng)*Math.sin(d/R)*Math.cos(lat1),
             Math.cos(d/R)-Math.sin(lat1)*Math.sin(lat2))) * 180 / Math.PI;
   }
});


/* 
APP.savedResults["92117"][0].geometry.location.lat()
APP.savedResults["92117"][0].geometry.location.lng()
*/


ko.applyBindings(APP);

scripts

<script src="//cdnjs.cloudflare.com/ajax/libs/knockout/3.4.0/knockout-min.js"></script>

shag-calculator.markdown

Shag Calculator

A Pen by Joe Crawford on CodePen.

License.

style.scss

//@import "compass/reset";
//@import "compass/css3";
h2 {
  text-align: right;
}
.form-group {
  label {
    text-align: right;
  }
  .input-group-addon {
    cursor: pointer;
  }
  input.form-control {
    text-align: center;
  }
}
div.output {
  font-weight: bold;
  text-align: center;
  &.output-final {
    color: green;
    font-size: x-large;
  }
}

styles

<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" />